Practice question What does OSHA stand for? Operational Safety and Health AgencyOccupational Safety and Health AdministrationOffice of Signal and Highway AdministrationOrganization for Safety in Highway Applications Answer: B — Occupational Safety and Health Administration The correct answer is shown above. Try the full quiz for additional practice. Practice more: IMSA Traffic Signal I Practice Questions - IMSA Traffic Signal Technician Level I Certification Exam Exam →